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GPU Comparison
AMD Radeon R9 280X vs ATI Radeon HD 4890
AMD Radeon R9 280X vs ATI Radeon HD 4890
VS
AMD Radeon R9 280X
ATI Radeon HD 4890
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 1024MB VRAM Radeon HD 4890 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 1GB)
Larger VRAM bandwidth (288.0GB/s vs 124.8GB/s)
1248 additional rendering cores
ATI Radeon HD 4890 's Advantages
Lower TDP (190W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 280X
+201%
4.096 TFLOPS
Radeon HD 4890
1.36 TFLOPS
Radeon R9 280X
VS
Radeon HD 4890
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
975 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
288.0GB/s
Bandwidth
124.8GB/s
Render Config
-
SM Count
-
32
Compute Units
10
2048
Shading Units
800
128
TMUs
40
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
Theoretical Performance
32.00 GPixel/s
Pixel Rate
13.60 GPixel/s
128.0 GTexel/s
Texture Rate
34.00 GTexel/s
-
FP16 (half)
-
4.096 TFLOPS
FP32 (float)
1360 GFLOPS
1024 GFLOPS
FP64 (double)
272.0 GFLOPS
Graphics Processor
Tahiti
GPU Name
RV790
Tahiti XTL (215-0821065)
GPU Variant
RV790 XT (215-0758016)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.959 billion
352 mm²
Die Size
282 mm²
Board Design
250W
TDP
190W
600 W
Suggested PSU
450 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
2x 6-pin
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
-
CUDA
-
5.1
Shader Model
4.1
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