GPU Comparison
RADEON
AMD Radeon RX 6900 XT
CORE STATE
Navi 21
VRAM
16 GB
CLOCK SPEED
2250 MHz
TDP
300 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2020
VS
GEFORCE
GeForce GTS 450 OEM
CORE STATE
GF106
VRAM
1536 MB
CLOCK SPEED
—
TDP
106 W
BUS WIDTH
192 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2010
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6900 XT
GTS 450 OEM
Core Specs
Shading Units
5,120
144
-97.2%
Shaders
5,120
144
-97.2%
TMUs
320
24
-92.5%
ROPs
128
24
-81.3%
Compute Units
80
—
SM Count
—
3
Clocks
Base Clock
1825 MHz
—
Boost Clock
2250 MHz
—
GPU Clock
—
790 MHz
Game Clock
2015 MHz
—
Shader Clock
—
1580 MHz
Memory Clock
2000 MHz
16 Gbps effective
1000 MHz
4 Gbps effective
Memory
Memory Size
16 GB
1536 MB
VRAM (MB)
16,384
1,536
-90.6%
Memory Type
GDDR6
GDDR5
Memory Bus
256 bit
192 bit
Bandwidth
512.0 GB/s
96.00 GB/s
Cache
L1 Cache
128 KB per Array
64 KB (per SM)
L2 Cache
4 MB
384 KB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
288.0 GPixel/s
4.740 GPixel/s
Texture Rate
720.0 GTexel/s
18.96 GTexel/s
FP32 (TFLOPS)
23.04 TFLOPS
455.0 GFLOPS
FP64 (TFLOPS)
1,440.0 GFLOPS (1:16)
37.92 GFLOPS (1:12)
FP16 (TFLOPS)
46.08 TFLOPS (2:1)
—
AI/RT
RT Cores
80
—
Power
TDP
300 W
106 W
TDP (W)
300
106
-64.7%
Suggested PSU
700 W
300 W
Power Connectors
2x 8-pin
1x 6-pin
Architecture
Architecture
RDNA 2.0
Fermi
GPU Name
Navi 21
GF106
Generation
Navi II
(RX 6000)
GeForce 400
Process Size
7 nm
40 nm
Transistors
26,800 million
1,170 million
Die Size
520 mm²
238 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
4.9M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
—
OpenCL
2.1
1.1
CUDA
—
2.1
Shader Model
6.8
5.1
Physical
Slot Width
Triple-slot
Dual-slot
Length
267 mm
10.5 inches
210 mm
8.3 inches
Height
120 mm
4.7 inches
—
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
2x DVI1x mini-HDMI 1.3a
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Other
Launch Price
999 USD
—
Production
End-of-life
End-of-life
Predecessor
Navi
GeForce 200
Successor
Navi III
GeForce 500