Home Comparison Radeon R9 280 vs Radeon RX 7900 GRE

Radeon R9 280 vs Radeon RX 7900 GRE

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 16GB VRAM Radeon RX 7900 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Radeon R9 280 's Advantages
Lower TDP (200W vs 260W)
Radeon RX 7900 GRE 's Advantages
Released 9 years and 4 months late
Boost Clock has increased by 141% (2245MHz vs 933MHz)
More VRAM (16GB vs 3GB)
Larger VRAM bandwidth (576.0GB/s vs 240.0GB/s)
3328 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R9 280
3344
Radeon RX 7900 GRE +1275%
45980
3DMark Time Spy
Radeon R9 280
2009
Radeon RX 7900 GRE +1018%
22476

Graphics Card

Mar 2014
Release Date
Jul 2023
Volcanic Islands
Generation
Navi III(RX 7000)
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

827 MHz
Base Clock
1287 MHz
933 MHz
Boost Clock
2245 MHz
1250 MHz
Memory Clock
2250 MHz

Memory

3GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
576.0GB/s

Render Config

28
Compute Units
80
1792
Shading Units
5120
112
TMUs
320
32
ROPs
160
-
RT Cores
80
16 KB (per CU)
L1 Cache
256 KB per Array
768 KB
L2 Cache
6 MB
-
L3 Cache
64 MB

Theoretical Performance

29.86 GPixel/s
Pixel Rate
359.2 GPixel/s
104.5 GTexel/s
Texture Rate
718.4 GTexel/s
-
FP16 (half)
91.96 TFLOPS
3.344 TFLOPS
FP32 (float)
45.98 TFLOPS
836.0 GFLOPS
FP64 (double)
1437 GFLOPS

Board Design

200W
TDP
260W
550 W
Suggested PSU
600 W
1x DVI 2x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
1x 6-pin + 1x 8-pin
Power Connectors
2x 8-pin

Graphics Processor

Tahiti
GPU Name
Navi 31
Tahiti PRO3 (215-0821330)
GPU Variant
Navi 31 XL (215-145000206)
GCN 1.0
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
4.313 billion
Transistors
57.7 billion
352 mm²
Die Size
529 mm²

Graphics Features

12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.2
1.2
Vulkan
1.3
5.1
Shader Model
6.8
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