Radeon RX 7900 XT vs Radeon HD 2950 XTX
We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 512MB VRAM Radeon HD 2950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 7900 XT Advantages
Boost Clock2394MHz
More VRAM (20GB vs 512GB)
Larger VRAM bandwidth (800.0GB/s vs 72.06GB/s)
5056 additional rendering cores
Radeon HD 2950 XTX Advantages
Lower TDP (110W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 7900 XT
+10258%
51480
Radeon HD 2950 XTX
497
Graphics Card
Nov 2022
Release Date
Unknown
Navi III
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1387 MHz
Base Clock
-
2394 MHz
Boost Clock
-
2500 MHz
Memory Clock
1126 MHz
Memory
20GB
Memory Size
512MB
GDDR6
Memory Type
GDDR4
320bit
Memory Bus
256bit
800.0GB/s
Bandwidth
72.06GB/s
Render Config
84
Compute Units
4
5376
Shading Units
320
336
TMUs
16
192
ROPs
16
84
RT Cores
-
256 KB per Array
L1 Cache
-
6 MB
L2 Cache
256 KB
80 MB
L3 Cache
-
Theoretical Performance
459.6 GPixel/s
Pixel Rate
12.43 GPixel/s
804.4 GTexel/s
Texture Rate
12.43 GTexel/s
103.0 TFLOPS
FP16 (half)
-
51.48 TFLOPS
FP32 (float)
497.3 GFLOPS
1.609 TFLOPS
FP64 (double)
99.46 GFLOPS
Board Design
300W
TDP
110W
700 W
Suggested PSU
300 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
2x DisplayPort 2.1
1x USB Type-C
Outputs
2x DVI
1x S-Video
1x S-Video
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Navi 31
GPU Name
RV670
Navi 31 XT
(215-145000156)
(215-145000156)
GPU Variant
RV670 XTX
(215-0708004)
(215-0708004)
RDNA 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
57.7 billion
Transistors
0.666 billion
529 mm²
Die Size
192 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full)
4.0 (partial)
4.0 (partial)
2.2
OpenCL
N/A
1.3
Vulkan
N/A
6.7
Shader Model
4.1
