ATI Radeon HD 4670 vs NVIDIA GeForce GTX 645 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4670 's Advantages
Lower TDP (59W vs 65W)
NVIDIA GeForce GTX 645 OEM 's Advantages
Released 4 years and 7 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (64.00GB/s vs 32.00GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4670
0.48 TFLOPS
GeForce GTX 645 OEM
+97%
0.949 TFLOPS
Graphics Card
Sep 2008
Release Date
Apr 2013
Radeon R700
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
1000 MHz
Memory Clock
1000 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
32.00GB/s
Bandwidth
64.00GB/s
Render Config
4
Compute Units
-
-
-
-
320
Shading Units
576
32
TMUs
48
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
6.000 GPixel/s
Pixel Rate
9.888 GPixel/s
24.00 GTexel/s
Texture Rate
39.55 GTexel/s
-
-
-
480.0 GFLOPS
FP32 (float)
949.2 GFLOPS
-
FP64 (double)
39.55 GFLOPS
Board Design
59W
TDP
65W
250 W
Suggested PSU
250 W
2x DVI
1x S-Video
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
None
Graphics Processor
RV730
GPU Name
GK106
RV730 XT
(215-0719047)
GPU Variant
GK106-200-A1
TeraScale
Architecture
Kepler
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.514 billion
Transistors
2.54 billion
146 mm²
Die Size
221 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
4.1
Shader Model
5.1
