Radeon RX 7900 XT vs Radeon HD 7950 Monica BIOS 1
We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 3GB VRAM Radeon HD 7950 Monica BIOS 1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 7900 XT 's Advantages
Released 10 years and 10 months late
Boost Clock2394MHz
More VRAM (20GB vs 3GB)
Larger VRAM bandwidth (800.0GB/s vs 240.0GB/s)
3840 additional rendering cores
Radeon HD 7950 Monica BIOS 1 's Advantages
Lower TDP (185W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 7900 XT
+1711%
51480
Radeon HD 7950 Monica BIOS 1
2842
Graphics Card
Nov 2022
Release Date
Jan 2012
Navi III
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1387 MHz
Base Clock
-
2394 MHz
Boost Clock
-
2500 MHz
Memory Clock
1250 MHz
Memory
20GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
320bit
Memory Bus
384bit
800.0GB/s
Bandwidth
240.0GB/s
Render Config
84
Compute Units
24
5376
Shading Units
1536
336
TMUs
96
192
ROPs
32
84
RT Cores
-
256 KB per Array
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
768 KB
80 MB
L3 Cache
-
Theoretical Performance
459.6 GPixel/s
Pixel Rate
29.60 GPixel/s
804.4 GTexel/s
Texture Rate
88.80 GTexel/s
103.0 TFLOPS
FP16 (half)
-
51.48 TFLOPS
FP32 (float)
2.842 TFLOPS
1.609 TFLOPS
FP64 (double)
710.4 GFLOPS
Board Design
300W
TDP
185W
700 W
Suggested PSU
450 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Navi 31
GPU Name
Tahiti
Navi 31 XT
(215-145000156)
GPU Variant
Tahiti PRO
(215-0821056)
RDNA 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
57.7 billion
Transistors
4.313 billion
529 mm²
Die Size
352 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.2
OpenCL
1.2
1.3
Vulkan
1.2
6.7
Shader Model
5.1
