NVIDIA GeForce 8800 GTX vs ATI Radeon HD 4650

NVIDIA GeForce 8800 GTX $599
ATI Radeon HD 4650
128 Shaders
768MB GDDR3
575MHz
320 Shaders
512MB GDDR3
650MHz
Peak AI Performance
0.35 TOPS
INT32
Peak AI Performance
420 GFLOPS
FP32
FP32
350 GFLOPS
FP32
420 GFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
145W
TDP
48W
Power Connectors
2x 6-Pin
-
-

Peak AI Performance

  • 17% slower vs Radeon HD 4650
  • 20% faster vs GeForce 8800 GTX
GeForce 8800 GTX - 0.35 TOPS INT32
x1
Radeon HD 4650 - 420 GFLOPS FP32
x1.2

FP32

  • 17% slower vs Radeon HD 4650
  • 20% faster vs GeForce 8800 GTX
GeForce 8800 GTX - 350 GFLOPS FP32
x1
Radeon HD 4650 - 420 GFLOPS FP32
x1.2
  • 5.4x faster vs Radeon HD 4650
  • 81% slower vs GeForce 8800 GTX
GeForce 8800 GTX - 86.4GB/s
x5.4
Radeon HD 4650 - 16GB/s
x1
  • 202% higher vs Radeon HD 4650
  • 67% lower vs GeForce 8800 GTX
GeForce 8800 GTX - 145W
x3.02
Radeon HD 4650 - 48W
x1
Manufacturer
NVIDIA
Manufacturer
ATI
Chip Designer
NVIDIA
Chip Designer
ATI
Architecture
Tesla
Architecture
TeraScale 1
Family
GeForce 8000
Family
Radeon HD 4000
Codename
NV50
G80
Variant
G80-300-A2
Codename
Mario
RV730
Variant
RV730 Pro
Market Segment
Desktop
Market Segment
Desktop
Release Date
11/8/2006
Release Date
9/10/2008
Foundry
TSMC
Foundry
TSMC
Fabrication Node
90nm
Fabrication Node
55nm
Die Size
484 mm²
Die Size
146 mm²
Transistor Count
681 Million
Transistor Count
514 Million
Transistor Density
1.41M/mm²
Transistor Density
3.52M/mm²
Form
PCIe Card
Form
PCIe Card
Shading Units
128 Shaders
Shading Units
320 Shaders
Texture Mapping Units
32 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
24 ROPs
Render Output Units
8 ROPs
Streaming Multiprocessors
16 SMs
-
-
-
-
Compute Units
4 CUs
1350MHz Shader
-
575MHz
-
600MHz Base
650MHz
Peak AI Performance
0.35 TOPS
INT32
Peak AI Performance
420 GFLOPS
FP32
FP32
350 GFLOPS
FP32
420 GFLOPS
INT32
0.35 TOPS
-
-
Pixel Fillrate
13.8 GPixel/s
Pixel Fillrate
5.2 GPixel/s
Texture Fillrate
18.4 GTexel/s
Texture Fillrate
20.8 GTexel/s
L1
-
Unknown
L1
16KB/CU
-
L2
96KB Shared
L2
128KB Shared
768MB
GDDR3
512MB
GDDR3
Bus Width
384Bit
Bus Width
128Bit
Clock
900MHz
Transfer Rate
1.8GT/s
Bandwidth
86.4GB/s
Clock
500MHz
Transfer Rate
1GT/s
Bandwidth
16GB/s
TDP
145W
TDP
48W
1x S-Video
2x DVI-I Dual-Link
1x S-Video
2x DVI-I Dual-Link
Max Resolution
2560x1600
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
2
No Encoders
No Encoders
No Decoders
Model
UVD 2.2
-
-
Codec
VC-1
AVC (H.264)
Direct X
11
Direct 3D
10_0
Direct X
10
Direct 3D
10_1
OpenGL
3.3
OpenCL
1.1
OpenGL
3.3
OpenCL
1.1
Shader Model
4.0
CUDA
1.0
-
-
PureVideo HD
VP1
Shader Model
4.1
-
-
GFX
3
-
-
1x Fan
1x Fan
Power Connectors
2x 6-Pin
-
-
Slots Required
2.0
PCIe Version
1.0
PCIe Lanes
16
Slots Required
1.0
PCIe Version
2.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
4-way SLI
Multi GPU Support
Supported
Type
2-way CrossFireX
Height
111 mm (4.37 in)
Width
270 mm (10.63 in)
Depth
37 mm (1.46 in)
-
-
-
-
-
-
Change Comparison