ATI Radeon HD 4670 vs ATI Radeon HD 5950
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 1024MB VRAM ATI Radeon HD 5950 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 302W)
ATI Radeon HD 5950 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (128.0GB/s vs 32.00GB/s)
1120 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 4670
0.48 TFLOPS
ATI Radeon HD 5950
+335%
2.088 TFLOPS
Graphics Card
Sep 2008
Release Date
Unknown
Radeon R700
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1000 MHz
Memory Clock
1000 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
32.00GB/s
Bandwidth
128.0GB/s
Render Config
4
Compute Units
18
-
-
-
320
Shading Units
1440
32
TMUs
72
8
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
6.000 GPixel/s
Pixel Rate
23.20 GPixel/s
24.00 GTexel/s
Texture Rate
52.20 GTexel/s
-
-
-
480.0 GFLOPS
FP32 (float)
2.088 TFLOPS
-
-
-
Board Design
59W
TDP
302W
250 W
Suggested PSU
700 W
2x DVI
1x S-Video
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
RV730
GPU Name
Hemlock
RV730 XT
(215-0719047)
GPU Variant
Hemlock PRO
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.514 billion
Transistors
2.154 billion
146 mm²
Die Size
334 mm²
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
5.0
