Home GPU Comparison AMD Radeon R9 280X2 vs AMD Radeon HD 8990 OEM

AMD Radeon R9 280X2 vs AMD Radeon HD 8990 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 and 3GB VRAM Radeon HD 8990 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Score

Benchmark

FP32 (float)
Radeon R9 280X2
4.096 TFLOPS
Radeon HD 8990 OEM
4.096 TFLOPS
VS

Graphics Card

Unknown
Release Date
Apr 2013
Volcanic Islands
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

950 MHz
Base Clock
950 MHz
1000 MHz
Boost Clock
1000 MHz
1500 MHz
Memory Clock
1500 MHz

Memory

3GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
288.0GB/s
Bandwidth
288.0GB/s

Render Config

-
SM Count
-
32
Compute Units
32
2048
Shading Units
2048
128
TMUs
128
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
768 KB

Theoretical Performance

32.00 GPixel/s
Pixel Rate
32.00 GPixel/s
128.0 GTexel/s
Texture Rate
128.0 GTexel/s
-
FP16 (half)
-
4.096 TFLOPS
FP32 (float)
4.096 TFLOPS
1024 GFLOPS
FP64 (double)
1024 GFLOPS

Graphics Processor

Tahiti
GPU Name
Malta
Tahiti XTL (215-0821065)
GPU Variant
Malta XT (215-0849026)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
4.313 billion
352 mm²
Die Size
365 mm²

Board Design

375W
TDP
375W
750 W
Suggested PSU
750 W
6x mini-DisplayPort 1.2
Outputs
1x DVI 4x mini-DisplayPort 1.2
3x 8-pin
Power Connectors
2x 8-pin

Graphics Features

12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
5.1
Shader Model
5.1

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