GPUs

AMD Radeon R9 285X vs AMD Radeon R9 295X2 Full Specs

2,048 Shaders
1GHz
5,632 Shaders
1.02GHz
3GB GDDR5264GB/s
8GB GDDR5640GB/s
··
4.1 TFLOPS
··
11.47 TFLOPS
Form Factor
PCIe Card
Form Factor
PCIe Card
TDP
200W
TDP
500W
Power Connectors
1x 8-Pin
1x 6-Pin
Power Connectors
2x 8-Pin
-

Radeon R9 285XRadeon R9 285X4.1 TFLOPSFP32
x1
Radeon R9 295X2Radeon R9 295X211.47 TFLOPSFP32 (2x 5.73 TFLOPS)
x2.79

Clock Speed
··
Clock Speed
··
Peak OPS
4.1 TFLOPSFP32
Peak OPS
11.47 TFLOPSFP32
FP32
4.1 TFLOPS
FP32
11.47 TFLOPS
FP64
256.5 GFLOPS
FP64
1.43 TFLOPS
Pixel Rate
32.1 GPixel/s
Pixel Rate
65.2 GPixel/s
Texture Rate
128.3 GTexel/s
Texture Rate
179.2 GTexel/s

Shaders
2,048 Shaders
Shaders
5,632 Shaders
TMUs
128 TMUs
TMUs
352 TMUs
ROPs
32 ROPs
ROPs
128 ROPs
CUs
32 CUs
CUs
88 CUs

Boost Clock
1GHz
Boost Clock
1.02GHz

L2 Cache
768KB shared
L2 Cache
1MB shared

3GB GDDR5
8GB GDDR5
Memory Bus
384-bit
Memory Bus
512-bit
Memory Speed
5.5GT/s
Memory Speed
5GT/s
Memory Bandwidth
264GB/s
Memory Bandwidth
640GB/s
ECC
No
ECC
No

TDP
200W
TDP
500W

Multi-Monitor
3
Multi-Monitor
4
HDCP
HDCP 1.4
HDCP
HDCP 1.4

1x DisplayPort 1.2
-
-
4x Mini DisplayPort 1.2
1x HDMI 1.4
-
2x DVI-D Dual-Link
1x DVI-D Dual-Link

Encoder Model
VCE 3.0
Encoder Model
VCE 2.0

Decoder Model
UVD 5.0
Decoder Model
UVD 4.2

Form Factor
PCIe Card
Form Factor
PCIe Card
PCIe
2-Slots
PCIe
2.1-Slots
Height
110 mm (4.33")
Width
267 mm (10.51")
Depth
37 mm (1.46")
Height
115 mm (4.53")
Width
307 mm (12.09")
Depth
42 mm (1.65")
Cooling
Blower
1x Fan
Cooling
Liquid 120mm Radiator
1x Fan
Power Connectors
1x 8-Pin, 1x 6-Pin
Power Connectors
2x 8-Pin

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
Radeon 2013 branding
Branding
Radeon 2013 branding
Codename
Tonga
Codename
Hawaii
Chip Variant
Tonga Pro
Chip Variant
Hawaii Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
Sep 2, 2014
Release Date
Apr 8, 2014

Foundry
TSMC
Foundry
TSMC
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
359mm²
Die Size
438mm²
Transistor Count
5 Billion
Transistor Count
6.2 Billion
Transistor Density
13.93 MTr/mm²
Transistor Density
14.16 MTr/mm²

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