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GPU Comparison
ATI Radeon HD 4670 vs AMD Radeon HD 6390
ATI Radeon HD 4670 vs AMD Radeon HD 6390
VS
ATI Radeon HD 4670
AMD Radeon HD 6390
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 1024MB VRAM Radeon HD 6390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4670 's Advantages
Larger VRAM bandwidth (32.00GB/s vs 16.00GB/s)
AMD Radeon HD 6390 's Advantages
Released 2 years and 10 months late
More VRAM (1024GB vs 512GB)
Lower TDP (39W vs 59W)
Score
Benchmark
FP32 (float)
Radeon HD 4670
+36%
0.48 TFLOPS
Radeon HD 6390
0.352 TFLOPS
Radeon HD 4670
VS
Radeon HD 6390
Graphics Card
Sep 2008
Release Date
Jul 2011
Radeon R700
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1000 MHz
Memory Clock
500 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
DDR2
128bit
Memory Bus
128bit
32.00GB/s
Bandwidth
16.00GB/s
Render Config
-
SM Count
-
4
Compute Units
4
320
Shading Units
320
32
TMUs
16
8
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
6.000 GPixel/s
Pixel Rate
4.400 GPixel/s
24.00 GTexel/s
Texture Rate
8.800 GTexel/s
-
FP16 (half)
-
480.0 GFLOPS
FP32 (float)
352.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
RV730
GPU Name
Redwood
RV730 XT (215-0719047)
GPU Variant
Redwood LE
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.514 billion
Transistors
0.627 billion
146 mm²
Die Size
104 mm²
Board Design
59W
TDP
39W
250 W
Suggested PSU
200 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
None
Power Connectors
None
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
-
CUDA
-
4.1
Shader Model
5.0
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