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GPU Comparison
ATI Radeon X1650 vs AMD Radeon HD 7970
ATI Radeon X1650 vs AMD Radeon HD 7970
VS
ATI Radeon X1650
AMD Radeon HD 7970
We compared two Desktop platform GPUs: 256MB VRAM Radeon X1650 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7970 's Advantages
Released 4 years and 1 months late
More VRAM (3GB vs 256GB)
Larger VRAM bandwidth (264.0GB/s vs 6.400GB/s)
2048 additional rendering cores
Score
Radeon X1650
VS
Radeon HD 7970
Graphics Card
Nov 2007
Release Date
Dec 2011
Radeon R500 PCIe
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
400 MHz
Memory Clock
1375 MHz
Memory
256MB
Memory Size
3GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
384bit
6.400GB/s
Bandwidth
264.0GB/s
Render Config
-
Compute Units
32
-
-
-
-
Shading Units
2048
4
TMUs
128
4
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
-
L2 Cache
768 KB
-
-
-
Theoretical Performance
2.540 GPixel/s
Pixel Rate
29.60 GPixel/s
2.540 GTexel/s
Texture Rate
118.4 GTexel/s
-
-
-
-
FP32 (float)
3.789 TFLOPS
-
FP64 (double)
947.2 GFLOPS
Board Design
Unknown
TDP
250W
200 W
Suggested PSU
600 W
1x DVI 1x VGA 1x S-Video
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
RV516
GPU Name
Tahiti
-
GPU Variant
Tahiti XT (215-0821060)
Ultra-Threaded SE
Architecture
GCN 1.0
UMC
Foundry
TSMC
90 nm
Process Size
28 nm
0.105 billion
Transistors
4.313 billion
100 mm²
Die Size
352 mm²
Graphics Features
9.0c (9_3)
DirectX
12 (11_1)
2.1
OpenGL
4.6
N/A
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
3.0
Shader Model
5.1
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