Radeon HD 7990 Specs
Radeon HD 7990
|
2x 2048 Shaders
2x 3GB GDDR5
1000MHz
|
|
FP32
8.19 TFLOPS
|
|
-
-
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Form Factor
PCIe Card
2.0-Slots
|
|
TDP
375W
|
|
Power Connectors
-
2x 8-Pin
-
-
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GB5 OpenCL - N/A
0%
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GB5 CUDA - N/A
0%
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GB5 Metal - N/A
0%
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GB5 Vulkan - N/A
0%
|
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OCT 2020.1 - N/A
0%
|
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OCT Metal - N/A
0%
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Manufacturer
AMD
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Chip Designer
AMD
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Architecture
GCN 1
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Codename
Tahiti
-
Variant
New Zealand XT
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Market Segment
Desktop
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Release Date
4/24/2013
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Foundry
TSMC
-
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Fabrication Node
28nm
-
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Die Size
2x 352 mm²
-
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Transistor Count
2x 4.3 Billion
-
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Transistor Density
12.25M/mm²
-
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Form
PCIe Card
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Shading Units
2x 2048 Shaders
-
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Texture Mapping Units
2x 128 TMUs
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Render Output Units
2x 32 ROPs
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-
-
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-
-
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-
-
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Compute Units
2x 32 CUs
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|
-
-
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-
-
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|
-
-
950MHz Base
1000MHz
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Floating Point
|
|
-
-
|
|
-
-
-
|
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-
-
-
|
|
-
-
-
|
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FP32
8.19 TFLOPS
|
|
-
-
|
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FP64
2.05 TFLOPS
-
|
|
-
-
|
|
-
-
-
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Pixel Fillrate
32 GPixel/s
|
|
-
-
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Texture Fillrate
128 GTexel/s
|
|
-
-
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L1
-
-
16KB/CU
-
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L2
768KB Shared
|
|
-
-
-
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2x 3GB
GDDR5
-
|
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Bus Width
384Bit
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Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
288GB/s
|
|
-
-
-
-
-
-
-
-
-
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TDP
375W
|
|
-
-
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-
-
-
-
-
-
-
-
1x DVI-I Dual-Link
-
-
-
-
-
-
4x mini-DisplayPort 1.2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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Max Resolution
4096x2160
|
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Max Resolution Refresh Rate
60Hz
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Variable Refresh Rate
-
-
-
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Display Stream Compression (DSC)
Not Supported
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Multi Monitor Support
4
|
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-
-
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Model
VCE 1.0
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Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
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Model
UVD 3.2
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Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
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Direct X
12
Direct 3D
11_1
|
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OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
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Shader Model
6.5
-
-
GFX
6
-
-
-
-
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|
-
-
-
3x Fans
|
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Power Connectors
-
-
-
2x 8-Pin
-
-
-
|
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Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
2-way CrossFireX
|
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Height
115 mm (4.53 in)
Width
304 mm (11.97 in)
Depth
38 mm (1.5 in)
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