ATI Radeon HD 3870 vs NVIDIA GeForce GTX 295
ATI Radeon HD 3870
$219
NVIDIA GeForce GTX 295
$500
|
320 Shaders
1GB GDDR4
777MHz
|
2x 240 Shaders
1792MB (2x 896MB) GDDR3
576MHz
|
|
Peak AI Performance
500 GFLOPS
FP32
|
Peak AI Performance
1.19 TOPS
INT32
|
|
FP32
500 GFLOPS
|
FP32
1.19 TFLOPS
|
|
-
-
|
-
-
|
|
Form Factor
PCIe Card
2.0-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
106W
|
TDP
289W
|
|
Power Connectors
1x 6-Pin
-
-
-
|
Power Connectors
1x 6-Pin
1x 8-Pin
-
-
|
|
GB6 OpenCL N/A
0%
|
GB6 OpenCL N/A
0%
|
|
GB6 Metal N/A
0%
|
GB6 Metal N/A
0%
|
|
GB6 Vulkan N/A
0%
|
GB6 Vulkan N/A
0%
|
|
GB5 OpenCL N/A
0%
|
GB5 OpenCL N/A
0%
|
|
GB5 CUDA N/A
0%
|
GB5 CUDA N/A
0%
|
|
GB5 Metal N/A
0%
|
GB5 Metal N/A
0%
|
|
GB5 Vulkan N/A
0%
|
GB5 Vulkan N/A
0%
|
|
OCT 2020.1 N/A
0%
|
OCT 2020.1 N/A
0%
|
|
OCT Metal N/A
0%
|
OCT Metal N/A
0%
|
|
Manufacturer
ATI
|
Manufacturer
NVIDIA
|
|
Chip Designer
ATI
|
Chip Designer
NVIDIA
|
|
Architecture
TeraScale 1
|
Architecture
Tesla 2
|
|
Family
Radeon HD 3000
|
Family
GeForce 200
|
|
Codename
Boom
RV670
Variant
RV670 XT
|
Codename
NVA0
GT200B
Variant
GT200-400-B3
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
11/19/2007
|
Release Date
1/8/2009
|
|
Foundry
TSMC
-
|
Foundry
TSMC
-
|
|
Fabrication Node
55nm
-
|
Fabrication Node
55nm
-
|
|
Die Size
192 mm²
-
|
Die Size
2x 470 mm²
-
|
|
Transistor Count
666 Million
-
|
Transistor Count
2x 1.4 Billion
-
|
|
Transistor Density
3.47M/mm²
-
|
Transistor Density
2.98M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
320 Shaders
-
|
Shading Units
2x 240 Shaders
-
|
|
Texture Mapping Units
16 TMUs
|
Texture Mapping Units
2x 80 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
2x 28 ROPs
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
Streaming Multiprocessors
2x 30 SMs
|
|
Compute Units
4 CUs
|
-
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
-
-
-
777MHz
|
-
1242MHz Shader
-
576MHz
|
|
Peak AI Performance
500 GFLOPS
FP32
|
Peak AI Performance
1.19 TOPS
INT32
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
|
-
-
-
-
-
-
|
-
-
-
-
-
-
|
|
FP32
500 GFLOPS
-
-
|
FP32
1.19 TFLOPS
-
-
|
|
FP64
100 GFLOPS
-
|
FP64
150 GFLOPS
-
|
|
-
-
-
-
|
-
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
|
-
-
-
|
|
-
-
-
-
|
-
-
-
-
|
|
-
-
|
INT32
1.19 TOPS
|
|
-
-
|
-
-
|
|
Pixel Fillrate
12.432 GPixel/s
|
Pixel Fillrate
16.128 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
12.432 GTexel/s
|
Texture Fillrate
46.08 GTexel/s
|
|
-
-
|
-
-
|
|
L1
-
-
-
Unknown
|
L1
-
-
-
Unknown
|
|
L2
256KB Shared
|
L2
256KB Shared
|
|
-
-
-
|
-
-
-
|
|
1GB
GDDR4
-
|
1792MB (2x 896MB)
GDDR3
-
|
|
Bus Width
256Bit
|
Bus Width
448Bit
|
|
Clock
1126MHz
Transfer Rate
2.3GT/s
Bandwidth
72.1GB/s
|
Clock
999MHz
Transfer Rate
2GT/s
Bandwidth
111.9GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
106W
|
TDP
289W
|
|
-
-
|
-
-
|
|
-
1x S-Video
-
-
-
-
-
-
2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
2x DVI-I Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 1.3
-
-
-
-
-
|
|
Max Resolution
2560x1600
|
Max Resolution
2560x1600
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
-
-
-
|
Variable Refresh Rate
-
-
-
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
2
|
Multi Monitor Support
2
|
|
-
-
|
-
-
|
|
No Encoders
-
|
No Encoders
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Model
UVD 1.0
|
No Decoders
|
|
Codec
-
-
-
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
|
Direct X
10
Direct 3D
10_1
|
Direct X
11
Direct 3D
10_0
|
|
OpenGL
3.3
OpenCL
1.1
-
-
|
OpenGL
3.3
OpenCL
1.1
-
-
|
|
Shader Model
4.1
-
-
GFX
3
-
-
-
-
|
Shader Model
4.0
CUDA
1.3
-
-
PureVideo HD
VP2
VDPAU
Feature Set A
|
|
-
-
-
1x Fan
|
-
-
-
1x Fan
|
|
Power Connectors
-
-
1x 6-Pin
-
-
-
-
|
Power Connectors
-
-
1x 6-Pin
1x 8-Pin
-
-
-
|
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
2.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
4-way CrossFireX
|
Multi GPU Support
Supported
Type
2-way SLI
|
|
-
-
-
-
-
-
|
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
38 mm (1.5 in)
|
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