GPU Comparison
RADEON
AMD Radeon HD 7950
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
RADEON
Radeon RX 6650M XT
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2416 MHz
TDP
120 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
RX 6650M XT
Core Specs
Shading Units
1,792
2,048
+14.3%
Shaders
1,792
2,048
+14.3%
TMUs
112
128
+14.3%
ROPs
32
64
+100.0%
Compute Units
28
32
+14.3%
Clocks
Base Clock
—
2068 MHz
Boost Clock
—
2416 MHz
GPU Clock
800 MHz
—
Game Clock
—
2162 MHz
Memory Clock
1250 MHz
5 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
3 GB
8 GB
VRAM (MB)
3,072
8,192
+166.7%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
128 bit
Bandwidth
240.0 GB/s
256.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
2 MB
L3 Cache
—
32 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
25.60 GPixel/s
154.6 GPixel/s
Texture Rate
89.60 GTexel/s
309.2 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
9.896 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
618.5 GFLOPS (1:16)
FP16 (TFLOPS)
—
19.79 TFLOPS (2:1)
AI/RT
RT Cores
—
32
Power
TDP
200 W
120 W
TDP (W)
200
120
-40.0%
Suggested PSU
550 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
GCN 1.0
RDNA 2.0
GPU Name
Tahiti
Navi 23
Generation
Southern Islands
(HD 7900)
Navi Mobile
(RX 6000M)
Process Size
28 nm
7 nm
Transistors
4,313 million
11,060 million
Die Size
352 mm²
237 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
46.7M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
IGP
Length
278 mm
10.9 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Other
Launch Price
449 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Polaris Mobile
Successor
Sea Islands
—