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GPU Comparison
AMD Radeon HD 6990 vs ATI Radeon HD 4670 AGP
AMD Radeon HD 6990 vs ATI Radeon HD 4670 AGP
VS
AMD Radeon HD 6990
ATI Radeon HD 4670 AGP
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 1024MB VRAM Radeon HD 4670 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990 's Advantages
Released 1 years and 8 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)
1216 additional rendering cores
ATI Radeon HD 4670 AGP 's Advantages
Lower TDP (59W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6990
+431%
2.55 TFLOPS
Radeon HD 4670 AGP
0.48 TFLOPS
Radeon HD 6990
VS
Radeon HD 4670 AGP
Graphics Card
Mar 2011
Release Date
Jul 2009
Northern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
AGP 8x
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
-
24
Compute Units
4
1536
Shading Units
320
96
TMUs
32
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
26.56 GPixel/s
Pixel Rate
6.000 GPixel/s
79.68 GTexel/s
Texture Rate
24.00 GTexel/s
-
FP16 (half)
-
2.550 TFLOPS
FP32 (float)
480.0 GFLOPS
637.4 GFLOPS
FP64 (double)
-
Graphics Processor
Antilles
GPU Name
RV730
Antilles XT (215-0807027)
GPU Variant
RV730 XT (215-0719047)
TeraScale 3
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
2.64 billion
Transistors
0.514 billion
389 mm²
Die Size
146 mm²
Board Design
375W
TDP
59W
750 W
Suggested PSU
250 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 8-pin
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.1
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