NVIDIA GeForce RTX 5080 vs NVIDIA RTX A4500 Comparison

NVIDIA
GEFORCE

NVIDIA GeForce RTX 5080

CORE STATE GB203
VRAM 16 GB
CLOCK SPEED 2617 MHz
TDP 360 W
BUS WIDTH 256 bit
ARCHITECTURE Blackwell 2.0
nm
PROCESS 5 nm
LAUNCH DATE 2025
VS
NVIDIA
GEFORCE

RTX A4500

CORE STATE GA102
VRAM 20 GB
CLOCK SPEED 1650 MHz
TDP 200 W
BUS WIDTH 320 bit
ARCHITECTURE Ampere
nm
PROCESS 8 nm
LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12
8,637
3,196
geekbench_opencl
235,901
141,837
geekbench_vulkan
255,450
129,980
passmark_directx_10
208
N/A
passmark_directx_11
324
N/A
passmark_directx_12
151
N/A
passmark_directx_9
389
N/A
passmark_g2d
1,415
N/A
passmark_g3d
36,565
N/A
passmark_gpu_compute
21,789
N/A

Analysis: NVIDIA GeForce RTX 5080 vs NVIDIA RTX A4500

Head-to-Head Benchmarks

The recorded data shows a decisive sweep for the NVIDIA GeForce RTX 5080 across all three shared benchmark tests. The RTX 5080 wins every head-to-head comparison, but the margin varies significantly depending on the workload.

In the 3DMark Steel Nomad DX12 test, the RTX 5080 scores 8,637 points against the RTX A4500's 3,196 points. That is a 63% deficit for the A4500, making this the largest performance gap in the dataset. The RTX 5080 more than doubles the workstation card's output in this modern DirectX 12 scenario. This result aligns with the fundamental positioning of the two cards: the RTX 5080 is built for raw rendering throughput, while the A4500 prioritizes stability and professional feature support.

The Geekbench Vulkan test shows a similar story, though the gap narrows. The RTX 5080 posts 255,450 points, while the RTX A4500 manages 129,980 points. The delta is 49.1% in favor of the RTX 5080. Vulkan is increasingly relevant for both gaming and professional applications, so this substantial lead indicates the RTX 5080's newer architecture handles low-level API workloads with significantly more efficiency.

The smallest margin appears in Geekbench OpenCL, where the RTX 5080 scores 235,901 points versus 141,837 points for the RTX A4500. That represents a 39.9% advantage for the RTX 5080. OpenCL is a common compute workload in professional environments, so this result suggests that even in productivity-focused tasks, the newer GeForce card holds a clear edge.

The RTX A4500's average benchmark score across all recorded tests is 91,671, placing it in the 93rd percentile of all GPUs. The RTX 5080's average score is 56,083, which lands in the 87th percentile. This apparent contradiction requires explanation. The A4500's higher average and percentile stem from its narrower benchmark set, which includes only three tests. The RTX 5080 has ten recorded benchmarks, including several Passmark tests where scores are low relative to its flagship performance. The three shared tests tell the real story: the RTX 5080 leads by 39.9% to 63% depending on the workload.

Looking at nearest rivals provides context. The RTX A4500 sits within 0.9% of the AMD Radeon Instinct MI60 and 0.6% of the RTX A4500 Mobile, indicating that its performance tier is well established. The RTX 5080's nearest rival is the AMD Radeon 8060S at just 0.6% difference, with the RX 9070 GRE actually 2.2% ahead. This suggests the RTX 5080's average score is competitive with contemporary options but not dominant in aggregate benchmarks.

FAQ

Q: Which card wins the 3DMark Steel Nomad DX12 benchmark?

A: The NVIDIA GeForce RTX 5080 wins decisively with 8,637 points against the RTX A4500's 3,196 points, a 63% advantage.

Q: Is the RTX A4500 more powerful in compute workloads like OpenCL?

A: No. The RTX 5080 scores 235,901 in Geekbench OpenCL, which is 39.9% higher than the RTX A4500's 141,837.

Q: How do their overall benchmark averages compare?

A: The RTX A4500 has a higher average benchmark score of 91,671 compared to the RTX 5080's 56,083, but the RTX 5080 has ten recorded tests versus three for the A4500.

Q: Which card has better Vulkan performance?

A: The RTX 5080 leads in Geekbench Vulkan with 255,450 points versus 129,980 for the RTX A4500, a 49.1% difference.

Q: What are the nearest competitors for each card?

A: The RTX A4500's closest rival is the RTX A4500 Mobile at 0.6% difference, while the RTX 5080's closest is the AMD Radeon 8060S at 0.6% difference.

Q: Which card has a higher percentile ranking among all GPUs?

A: The RTX A4500 sits in the 93rd percentile, while the RTX 5080 sits in the 87th percentile, based on their respective average scores and test sets.

The Verdict

The data makes the choice straightforward for most users. The NVIDIA GeForce RTX 5080 wins every shared benchmark by a substantial margin, ranging from 39.9% to 63%. If raw performance is the priority, the RTX 5080 is the clear pick.

However, the RTX A4500 is not without justification. Its 93rd percentile ranking versus the RTX 5080's 87th percentile reflects its consistency across its recorded tests. The A4500 also carries 20 GB of memory, more than the RTX 5080's 16 GB. For workloads that require large datasets or high-resolution textures, that extra capacity could be decisive.

The RTX 5080's launch MSRP is 999 USD, but pricing should not drive this decision. Instead, focus on the workload. The RTX 5080 delivers superior performance in every measured category, with particularly large leads in DX12 and Vulkan. The RTX A4500 offers more memory and a proven professional track record, but the benchmark data shows it trails significantly in compute and rendering.

Specification Differences

The two cards diverge sharply in their basic specifications. The RTX A4500 uses 20 GB of GDDR6 memory on a 320-bit bus, delivering 640.0 GB/s of bandwidth. The RTX 5080 uses 16 GB of GDDR7 memory on a 256-bit bus, but achieves 960.0 GB/s of bandwidth due to faster memory clocks.

Clock speeds tell a similar story. The RTX A4500 runs at a 1050 MHz base clock and 1650 MHz boost. The RTX 5080 operates at 2295 MHz base and 2617 MHz boost, significantly higher. Memory clocks also differ: 2000 MHz with 16 Gbps effective for the A4500, versus 1875 MHz with 30 Gbps effective for the RTX 5080.

Power requirements reflect these differences. The RTX A4500 draws 200 W with a suggested 550 W PSU and a single 8-pin connector. The RTX 5080 draws 360 W, requires a 750 W PSU, and uses a 16-pin connector. Both are dual-slot cards, but the RTX 5080 is physically larger at 304 mm long versus 267 mm for the A4500.

Interface and display outputs also differ. The RTX A4500 uses PCIe 4.0 x16 and offers 4x DisplayPort 1.4a. The RTX 5080 uses PCIe 5.0 x16 and provides 1x HDMI 2.1b plus 3x DisplayPort 2.1b.

Architecture Differences

The architectural gap between these two cards is generational. The RTX A4500 uses the GA102 chip built on Ampere architecture at Samsung's 8 nm process. The RTX 5080 uses the GB203 chip on Blackwell 2.0 architecture at TSMC's 5 nm process. This process shrink allows the RTX 5080 to pack 45,600 million transistors into a 378 mm² die, achieving a transistor density of 120.6M per mm². The A4500's GA102 contains 28,300 million transistors on a much larger 628 mm² die, with a density of 45.1M per mm².

Compute resources favor the RTX 5080 across the board. It has 10,752 shading units, 336 TMUs, 112 ROPs, 84 RT cores, and 336 tensor cores. The RTX A4500 has 7,168 shading units, 224 TMUs, 96 ROPs, 56 RT cores, and 224 tensor cores. These differences translate directly into throughput: the RTX 5080 delivers 56.28 TFLOPS FP32 versus 23.65 TFLOPS for the A4500. Pixel rate is 293.1 GPixel/s versus 158.4 GPixel/s, and texture rate is 879.3 GTexel/s versus 369.6 GTexel/s.

Both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The release dates confirm the generation gap: the RTX A4500 launched on 2021-11-22 and is now end-of-life, while the RTX 5080 launched on 2025-01-29 and remains active. The A4500's predecessor was Quadro Turing, and its successor is Workstation Ada. The RTX 5080's predecessor is GeForce 40, with GeForce 60 as its successor.

Where Each One Wins

The RTX 5080 wins in every benchmark category where both cards were tested. Its largest advantage comes in 3DMark Steel Nomad DX12, where it leads by 63%. This makes it the obvious choice for modern DirectX 12 gaming, real-time rendering, and any workload that stresses rasterization performance.

The RTX 5080 also dominates in Vulkan with a 49.1% lead, making it superior for cross-platform graphics APIs and modern game engines. Its OpenCL advantage of 39.9% shows strength in compute tasks as well, although this is the narrowest margin. Even so, a 39.9% lead is substantial for professional compute workloads like physics simulation or image processing.

The RTX A4500's case rests on its 20 GB memory capacity and its higher percentile ranking. For users working with large datasets that exceed 16 GB, the A4500's extra memory could prevent out-of-memory errors. Its 93rd percentile ranking also indicates consistent performance across its recorded tests, which may appeal to users who value predictability.

The RTX A4500 also has a lower power draw at 200 W versus 360 W, and it uses a standard 8-pin connector rather than the RTX 5080's 16-pin. For existing systems with older power supplies or limited power budgets, the A4500 is easier to integrate. Its shorter length of 267 mm versus 304 mm also improves case compatibility.

In summary, the RTX 5080 is the performance winner by every measurable margin. The RTX A4500 remains relevant only for memory capacity and legacy system compatibility. For any new build where performance matters, the RTX 5080's benchmark results make it the recommended choice.

DETAILED SPECIFICATIONS

SPECIFICATION
RTX 5080
RTX A4500
Core Specs
Shading Units
10,752
7,168 -33.3%
Shaders
10,752
7,168 -33.3%
TMUs
336
224 -33.3%
ROPs
112
96 -14.3%
SM Count
84
56 -33.3%
Clocks
Base Clock
2295 MHz
1050 MHz
Boost Clock
2617 MHz
1650 MHz
Memory Clock
1875 MHz 30 Gbps effective
2000 MHz 16 Gbps effective
Memory
Memory Size
16 GB
20 GB
VRAM (MB)
16,384
20,480 +25.0%
Memory Type
GDDR7
GDDR6
Memory Bus
256 bit
320 bit
Bandwidth
960.0 GB/s
640.0 GB/s
Cache
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
64 MB
6 MB
Performance
Pixel Rate
293.1 GPixel/s
158.4 GPixel/s
Texture Rate
879.3 GTexel/s
369.6 GTexel/s
FP32 (TFLOPS)
56.28 TFLOPS
23.65 TFLOPS
FP64 (TFLOPS)
879.3 GFLOPS (1:64)
369.6 GFLOPS (1:64)
FP16 (TFLOPS)
56.28 TFLOPS (1:1)
23.65 TFLOPS (1:1)
AI/RT
RT Cores
84
56 -33.3%
Tensor Cores
336
224 -33.3%
Power
TDP
360 W
200 W
TDP (W)
360
200 -44.4%
Suggested PSU
750 W
550 W
Power Connectors
1x 16-pin
1x 8-pin
Architecture
Architecture
Blackwell 2.0
Ampere
GPU Name
GB203
GA102
Generation
GeForce 50
Workstation Ampere (Ax000)
Process Size
5 nm
8 nm
Transistors
45,600 million
28,300 million
Die Size
378 mm²
628 mm²
Foundry
TSMC
Samsung
Density
120.6M / mm²
45.1M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
12.0
8.6
Shader Model
6.9
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
304 mm 12 inches
267 mm 10.5 inches
Height
137 mm 5.4 inches
112 mm 4.4 inches
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
4x DisplayPort 1.4a
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Other
Launch Price
999 USD
Production
Active
End-of-life
Predecessor
GeForce 40
Quadro Turing
Successor
GeForce 60
Workstation Ada
View GeForce RTX 5080 Details View RTX A4500 Details