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GPU Comparison
AMD Radeon R9 280X vs ATI Radeon HD 4770
AMD Radeon R9 280X vs ATI Radeon HD 4770
VS
AMD Radeon R9 280X
ATI Radeon HD 4770
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 512MB VRAM Radeon HD 4770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 280X 's Advantages
Released 4 years and 6 months late
Boost Clock1000MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (288.0GB/s vs 51.20GB/s)
1408 additional rendering cores
ATI Radeon HD 4770 's Advantages
Lower TDP (80W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 280X
+326%
4.096 TFLOPS
Radeon HD 4770
0.96 TFLOPS
Radeon R9 280X
VS
Radeon HD 4770
Graphics Card
Oct 2013
Release Date
Apr 2009
Volcanic Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
850 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
800 MHz
Memory
3GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
288.0GB/s
Bandwidth
51.20GB/s
Render Config
32
Compute Units
8
-
-
-
2048
Shading Units
640
128
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
32.00 GPixel/s
Pixel Rate
12.00 GPixel/s
128.0 GTexel/s
Texture Rate
24.00 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
960.0 GFLOPS
1024 GFLOPS
FP64 (double)
192.0 GFLOPS
Board Design
250W
TDP
80W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Tahiti
GPU Name
RV740
Tahiti XTL (215-0821065)
GPU Variant
RV740 XT (215-0727019)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
0.826 billion
352 mm²
Die Size
137 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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