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GPU Comparison
AMD Radeon HD 7970 X2 vs ATI Radeon HD 4670
AMD Radeon HD 7970 X2 vs ATI Radeon HD 4670
VS
AMD Radeon HD 7970 X2
ATI Radeon HD 4670
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 512MB VRAM Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7970 X2 's Advantages
Released 3 years and 11 months late
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (264.0GB/s vs 32.00GB/s)
1728 additional rendering cores
ATI Radeon HD 4670 's Advantages
Lower TDP (59W vs 500W)
Score
Benchmark
FP32 (float)
Radeon HD 7970 X2
+689%
3.789 TFLOPS
Radeon HD 4670
0.48 TFLOPS
Radeon HD 7970 X2
VS
Radeon HD 4670
Graphics Card
Aug 2012
Release Date
Sep 2008
Southern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1375 MHz
Memory Clock
1000 MHz
Memory
3GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
128bit
264.0GB/s
Bandwidth
32.00GB/s
Render Config
32
Compute Units
4
-
-
-
2048
Shading Units
320
128
TMUs
32
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
29.60 GPixel/s
Pixel Rate
6.000 GPixel/s
118.4 GTexel/s
Texture Rate
24.00 GTexel/s
-
-
-
3.789 TFLOPS
FP32 (float)
480.0 GFLOPS
947.2 GFLOPS
FP64 (double)
-
Board Design
500W
TDP
59W
900 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
3x 8-pin
Power Connectors
None
Graphics Processor
New Zealand
GPU Name
RV730
-
GPU Variant
RV730 XT (215-0719047)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.514 billion
352 mm²
Die Size
146 mm²
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
4.1
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